Giant Cosmic Sheet Around Milky Way Reconciles Local Group Motions
TL;DR
Researchers using computer simulations reveal the Local Group sits in a vast, flat sheet of matter—dominated by dark matter—with large voids above and below. This structure counteracts the Milky Way–Andromeda gravity, causing nearby galaxies to recede rather than fall inward and producing a virtual twin of our cosmic neighborhood that matches the observed positions and speeds of galaxies just outside the Local Group.
Topics:scienceastronomy#astronomy#cosmic-sheet#cosmology#dark-matter#galaxy-motions#local-group#note-only-five-tags-allowed-extra-entries-ignored
- Astronomers discover giant cosmic sheet around the Milky Way ScienceDaily
- UWM astronomer discovers probable dark matter sub-halo in the Milky Way – Letters & Science UW-Milwaukee
- A giant cosmic sheet discovered around the Milky Way Tech Explorist
- Astronomers Reveal the Milky Way Is Floating Inside an Enormous Dark Matter Structure Spanning Millions of Light Years Indian Defence Review
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